Base | Representation |
---|---|
bin | 111110101011100… |
… | …1001011100010001 |
3 | 12102120120122102111 |
4 | 1331113021130101 |
5 | 13301411014420 |
6 | 544411145321 |
7 | 103056034456 |
oct | 17527113421 |
9 | 5376518374 |
10 | 2103219985 |
11 | 98a238339 |
12 | 4a8445241 |
13 | 276977689 |
14 | 15d48782d |
15 | c49a145a |
hex | 7d5c9711 |
2103219985 has 8 divisors (see below), whose sum is σ = 2526469056. Its totient is φ = 1680839280.
The previous prime is 2103219941. The next prime is 2103220001. The reversal of 2103219985 is 5899123012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2103219985 - 29 = 2103219473 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211749 + ... + 221458.
It is an arithmetic number, because the mean of its divisors is an integer number (315808632).
Almost surely, 22103219985 is an apocalyptic number.
It is an amenable number.
2103219985 is a deficient number, since it is larger than the sum of its proper divisors (423249071).
2103219985 is an equidigital number, since it uses as much as digits as its factorization.
2103219985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434183.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 2103219985 is about 45860.8764089829. The cubic root of 2103219985 is about 1281.2333459346.
The spelling of 2103219985 in words is "two billion, one hundred three million, two hundred nineteen thousand, nine hundred eighty-five".
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